PDF malware analysis — malicious · 9e556b426da246f2

MALICIOUS

PDF

44.4 KB Created: 2021-05-13 10:35:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: db04f52ba5f55fdf4a45f330bd9007e0 SHA-1: 664007306d49c7bbec6c5519f9a93b63d5f4facd SHA-256: 9e556b426da246f29f62ba7a1472600eaa97e7e43955d098ea348174ea58a4f2

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://netcdn.xyz/app/479516143/scaffold-minecraft-hack-game-hack PDF link annotation
- http://www.mosaikshop.at/images/hackear-coin-master_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/static-moonactive-net-rewards_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
- http://www.mosaikshop.at/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/update-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/windows-10-minecraft-free-with-java_GM479516143.pdfIn PDF document text
- http://www.mosaikshop.at/images/coin-master-hack-app-2021-download_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/free-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/buy-robux-free_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/android-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/coinmaster-free-spins-link_GM406889139.pdfIn PDF document text
- http://www.mosaikshop.at/images/roblox-hack-game_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/how-to-get-robux-without-paying_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/roblox-tracker_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/robux-hack-2021_GM431946152.pdfIn PDF document text
- http://www.mosaikshop.at/images/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
- http://www.mosaikshop.at/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000048c8.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48C8	24908 bytes
SHA-256: `feb50d3bbbe5963b7da9a0b0a31632d56ee5dbdd74d99cdb5f2366f9eb1eb668`
`font_01_sfnt_off000081e1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81E1	2840 bytes
SHA-256: `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`
`font_02_sfnt_off00008b93.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B93	18128 bytes
SHA-256: `f7370529bf904c5857fe4eab30760dda605e07161f807833dcc82124085588a2`

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